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Availability

In stock (37)

Out of stock (2)

Price

$

— $

Product type

Air Quality Meters (1)

Angle Finders (1)

Battery Tester (3)

Brake Fluid Tester (1)

Cable Testers (2)

Car Tools & Equipment (1)

Circuit Breaker Finder (1)

Clamp Meter (2)

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Inspection Camera (5)

Moisture Meter (1)

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Multimeters / Clamp Meters / Scopemeter (3)

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Weather Station (9)

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More filters

2.4 inch Monitor (1)

3.5 inch monitor (1)

110 Voltage (2)

220 Voltage (1)

Battery Tester (2)

Brake Fluid Tester (1)

Clamp Meters (3)

CO2 (Carbon Dioxide) Meters (1)

Data Loggers (1)

Digital Multimeter (2)

gainexpresswarrantybadge (33)

gainexpresswarrantybadgewaterquality (2)

Mosquito / Pest Repellers (2)

pH Meter / Monitor (3)

pH Tester (1)

Ruler (1)

Salinity / Temp Tester (1)

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7730 Smart CO2 Carbon Dioxide Indoor Air Quality Monitor Temperature Humidity Measurement for Bedroom Close Rooms Offices Classroom

-40%

7730 Smart CO2 Carbon Dioxide Indoor Air Quality Monitor Temperature Humidity Measurement for Bedroom Close Rooms Offices Classroom

$61.14 USD

~~$101.90 USD~~

837-3 Pentype TDS / Salinity / Temperature Tester Water Quality Meter ATC Multiple Units (ppt, ppm, S.G., %, °C, °F) Digital Tool for Saltwater Monitoring & Testing IP65 Waterproof Housing

-10%

837-3 Pentype TDS / Salinity / Temperature Tester Water Quality Meter ATC Multiple Units (ppt, ppm, S.G., %, °C, °F) Digital Tool for Saltwater Monitoring & Testing IP65 Waterproof Housing

$39.51 USD

~~$43.90 USD~~

AR-166 2-in-1 Electronic Ultrasonic Repeller Anti Mouse & Mosquito 50/ 60Hz, Rats Control, Plug-in Non-Toxic Repellent, Pet & Kids Safe

-40%

AR-166 2-in-1 Electronic Ultrasonic Repeller Anti Mouse & Mosquito 50/ 60Hz, Rats Control, Plug-in Non-Toxic Repellent, Pet & Kids Safe

$13.14 USD

~~$21.90 USD~~

E04-004 Brake Fluid Tester Detector w/ LED Indicator & 180° Foldable Testing Rod, Car Auto Automotive Diagnostic Tool Oil Quality Driving Safety Check Analyzer

-40%

E04-004 Brake Fluid Tester Detector w/ LED Indicator & 180° Foldable Testing Rod, Car Auto Automotive Diagnostic Tool Oil Quality Driving Safety Check Analyzer

$14.34 USD

~~$23.90 USD~~

E04-007 Digital Auto Range Clamp Multimeter AC DC Voltage Current Tester LCD Display CE Marking

-50%

E04-007 Digital Auto Range Clamp Multimeter AC DC Voltage Current Tester LCD Display CE Marking

$14.95 USD

~~$29.90 USD~~

E04-017 Digital 2-in-1 Car Motor Tire Pressure Gauge Measure + Tire Veins Depth CE Marking LCD Display

-40%

E04-017 Digital 2-in-1 Car Motor Tire Pressure Gauge Measure + Tire Veins Depth CE Marking LCD Display

$9.54 USD

~~$15.90 USD~~

E04-008 Digital Multimeter w/ Test Leads, Overload Protection, DC AC Voltage Resistance Diode Measure DMM Multi Meter Tester 1999 Readings, Backlight

-40%

E04-008 Digital Multimeter w/ Test Leads, Overload Protection, DC AC Voltage Resistance Diode Measure DMM Multi Meter Tester 1999 Readings, Backlight

$15.54 USD

~~$25.90 USD~~

E04-009 Digital Multimeter 1999 Counts ACV DCV DC Current Diode Battery Tester Meter LCD Display CE Marking

-40%

E04-009 Digital Multimeter 1999 Counts ACV DCV DC Current Diode Battery Tester Meter LCD Display CE Marking

$8.34 USD

~~$13.90 USD~~

E04-032 Digital Clamp Meter Multimeter DC AC Voltage Current Resistance Diode Continuity Tester LCD Display

-40%

E04-032 Digital Clamp Meter Multimeter DC AC Voltage Current Resistance Diode Continuity Tester LCD Display

$26.34 USD

~~$43.90 USD~~

E04-011_US Automatic Circuit Breaker Finder Tracer AC circuits / Fuses for 100-120V ONLY, LED Signal Receiver Transmitter Fuse Socket ,Plugs, Lighting, Lamp Socket & Outlet Adapters 110V

-20%

E04-011_US Automatic Circuit Breaker Finder Tracer AC circuits / Fuses for 100-120V ONLY, LED Signal Receiver Transmitter Fuse Socket ,Plugs, Lighting, Lamp Socket & Outlet Adapters 110V

$41.52 USD

~~$51.90 USD~~

E04-014 Digital Clamp Meter DC AC Audible Continuity Tester CE Marking Reading 1999 LCD Backlight

-50%

E04-014 Digital Clamp Meter DC AC Audible Continuity Tester CE Marking Reading 1999 LCD Backlight

$14.95 USD

~~$29.90 USD~~

PHM-443 Digital Pentype pH Meter High Accuracy Colored Screen | Red Backlight Alarm | 3-Point Calibration with Temperature Measurement ATC Function for Liquids in Laboratory Food and Medicine Industry

-20%

PHM-443 Digital Pentype pH Meter High Accuracy Colored Screen | Red Backlight Alarm | 3-Point Calibration with Temperature Measurement ATC Function for Liquids in Laboratory Food and Medicine Industry

$41.52 USD

~~$51.90 USD~~

PHM-239 PH Meter 360° Flexible Display Angle, 0.00~14.00pH Portable Pocket Size Water Quality Tester Twist & Turnable Monitor Kit Set for Household Drinking Water, Hydroponics Aquariums Pools

-40%

PHM-239 PH Meter 360° Flexible Display Angle, 0.00~14.00pH Portable Pocket Size Water Quality Tester Twist & Turnable Monitor Kit Set for Household Drinking Water, Hydroponics Aquariums Pools

$14.94 USD

~~$24.90 USD~~

FFW-718 Lucky Portable Wireless Fish Finder Locator with 45m (135ft) Depth & 120m (400ft) Wireless Range, Display Water Temperature/ Fish Size & Location, Fishing Gear Tools for Fresh & Salt water, Ocean, Sea, Lake, River, Ice Icy Water, 90° beam angle

-35%

FFW-718 Lucky Portable Wireless Fish Finder Locator with 45m (135ft) Depth & 120m (400ft) Wireless Range, Display Water Temperature/ Fish Size & Location, Fishing Gear Tools for Fresh & Salt water, Ocean, Sea, Lake, River, Ice Icy Water, 90° beam angle

$58.44 USD

~~$89.90 USD~~

710-110 / BAT-377 Battery Tester Checker C AA AAA D N 9V 1.5V Button Cell Batteries Clear Bar Graph LCD Display Pocket Size

710-110 / BAT-377 Battery Tester Checker C AA AAA D N 9V 1.5V Button Cell Batteries Clear Bar Graph LCD Display Pocket Size

$22.90 USD

SQM-256 Soil pH, Moisture & Light Meter 3 Way Tester Kit, Gardening Acidity Probe Test Tool Plants Growth Watering Quality Monitoring Checker for Garden Farm Lawn Household Indoor Outdoor

-50%

SQM-256 Soil pH, Moisture & Light Meter 3 Way Tester Kit, Gardening Acidity Probe Test Tool Plants Growth Watering Quality Monitoring Checker for Garden Farm Lawn Household Indoor Outdoor

$11.95 USD

~~$23.90 USD~~

WS-104_EU_3S Weather Station Indoor Outdoor Temperature Humidity RCC DCF 3 Wireless Remote Sensors

-55%

WS-104_EU_3S Weather Station Indoor Outdoor Temperature Humidity RCC DCF 3 Wireless Remote Sensors

$26.06 USD

~~$57.90 USD~~

868-1 0.0-14.0 pH & Temperature Meter ATC Dual Display, Portable Digital Pen-Type Tester, IP67 Waterproof Dustproof, for Hydroponics Aquariums Drinking Water Quality Control Testing

-40%

868-1 0.0-14.0 pH & Temperature Meter ATC Dual Display, Portable Digital Pen-Type Tester, IP67 Waterproof Dustproof, for Hydroponics Aquariums Drinking Water Quality Control Testing

$22.14 USD

~~$36.90 USD~~

AR-111_US 110V Plug-in Ultrasonic Mosquito Repeller, Electronic Non Toxic Repellent, Pet & Kids Safe, Anti Insects Indoor Home Control

-30%

AR-111_US 110V Plug-in Ultrasonic Mosquito Repeller, Electronic Non Toxic Repellent, Pet & Kids Safe, Anti Insects Indoor Home Control

$17.43 USD

~~$24.90 USD~~

WS-103_2S Weather Station 2 Wireless Sensors, WWVB DCF Radio Controlled Clock Thermometer Alarm, Indoor Outdoor Humidity Temperature Weather Forecast Barometer, Sunrise Sunset Moon Phase

-50%

WS-103_2S Weather Station 2 Wireless Sensors, WWVB DCF Radio Controlled Clock Thermometer Alarm, Indoor Outdoor Humidity Temperature Weather Forecast Barometer, Sunrise Sunset Moon Phase

$23.45 USD

~~$46.90 USD~~

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Gain Express Holdings Ltd.

Office Address

Room 10, 8F, Block B
Merit Industrial Centre
94 To Kwa Wan Rd., To Kwa Wan
Kowloon, Hong Kong

Email Address

info@gainexpress.com

Phone Number (Hong Kong)

(+852) 2362 7800 / 2365 6735

Phone Number (US)

(+1) 347 305 4263

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(+44) 020 3286 9086

WhatsApp

(+852) 5446 6952

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Monday to Saturday
10:00 AM - 7:00 PM HKT (GMT+8)

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